Periodic table
en
fr
ar
es
pt
id
List
Compare
Tables
Quiz
Tools
Printables
Periodic table
›
silicon
›
Si-30
Silicon-30 (Si-30)
Identity
Protons
14
Neutrons
16
Mass number
30
Mass
29.974 ± 0.023 u
Mass excess
-24.433 MeV
Spin
0+
Stability
stable
Natural occurrence
3.074 %
of silicon
All isotopes of silicon